Synthesis and Lithium Ion Conductivities of Zirconium Phosphate-Based Solid Electrolytes

Abstract:

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The lithium ion conducting properties of lithium- and MⅣ (M = Al, In, Y)-doped zirconium pyrophosphates synthesized via solid state reaction were investigated. The ionic conductivity of the compounds increased with increasing Li content. The activation energy of LixMxZr1-xP2O7 decreased as the lattice parameter increased owing to the enlargement of the size of bottleneck between the cavities. Li0.55(Li0.15Y0.1Zr0.75)P2O7 with a high Li content and a large lattice parameter exhibited a conductivity of 1.7×10-3 S cm-1 at 350 °C, which is sufficient for its application as a solid electrolyte for sensors.

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Periodical:

Edited by:

Shinobu Fujihara and Tadashi Takenaka

Pages:

105-108

DOI:

10.4028/www.scientific.net/KEM.445.105

Citation:

K. Ide et al., "Synthesis and Lithium Ion Conductivities of Zirconium Phosphate-Based Solid Electrolytes", Key Engineering Materials, Vol. 445, pp. 105-108, 2010

Online since:

July 2010

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$35.00

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